Over the years, Jaguar has developed a reputation for technical innovation and for producing high-class cars for very reasonable cost. This book travels chronologically through Jaguar's techinical history, each chapter starting at a crucial point in the company's evolution. From Harry Weslake's development of Jaguar's original Standard-derived OHV engine, used in the SS Jaguar 100, to the technology incorporated in the latest X-type and S-type models, the reader is taken on a fascinating journey through the Jaguar archives, revealing many fascinating and previously unknown behind-the-scenes details of the company's engineering story.